13 Projects

1625 North Ode Street Arlington, VA

1625 North Ode Street

Arlington
,
VA
Project Contacts:
Scott Silvester

In August 2011, the apartment building at 1625 North Ode Street experienced differential settlement and damage after the excavation support at an adjacent construction site failed. SGH assessed...

Services:Building Enclosure Design, Structural Investigation, Structural Rehabilitation
Markets:Residential - Apartment
Keywords:Collapse, Excavation Support, Failure Investigation, Masonry, Masonry-Brick, Masonry-CMU, Masonry-Load Bearing, Shoring/Temporary Structure, Wood
7 World Trade Center

7 World Trade Center

New York
,
NY

Falling debris from the collapse of the World Trade Center towers (WTC 1 and 2) damaged the building at 7 World Trade Center (WTC 7) and ignited fires. After several hours of fire exposure, WTC 7...

Services:Structural Investigation
Markets:Office
Keywords:Collapse, Failure Investigation, Fire, Fire Engineering, Metal-Steel, Thermal
Pentagon Building Performance Study

Pentagon, Building Performance Study

Washington
,
DC

On the morning of 11 September 2001, hijackers crashed a commercial plane into the Pentagon.  Following that attack, the American Society of Civil Engineers established a building performance...

Services:Structural Investigation
Markets:Government
Keywords:Blast Analysis & Resistance, Collapse, Concrete, Failure Investigation, Fire, Fire/Smoke, Security, Structural Adequacy Assessment
Atlanta Botanical Garden Walkway Collapse Investigation

Atlanta Botanical Garden Walkway Collapse Investigation

Atlanta
,
GA
Project Contacts:
Daniel Cook, Dominic Kelly, Scott Silvester

On 19 December 2008, a large portion of the S-shaped, steel-framed walkway under construction at the Atlanta Botanical Garden suddenly collapsed during concrete placement operations.  The...

Services:Structural Investigation
Markets:Bridge
Keywords:Bridge, Pedestrian, Collapse, Failure Investigation, Metal-Steel, Shoring/Temporary Structure
Vanadium Technology Program, Long-Span Trusses

Vanadium Technology Program, Long-Span Trusses

San Francisco
,
CA
Project Contacts:
Ronald Hamburger

Over ten years, SGH researched innovative uses of High Strength Low Alloy Vanadium (HSLA-V) steels in a variety of structural applications under the Vanadium Technology Program, an initiative...

Services:Materials Investigation, Structural Investigation
Markets:Science & Defense
Keywords:Analytical Studies, Collapse, Fire, Fire Engineering, Fire Protection, Long-Span Structure, Metal, Metal-Steel, Research/Development
Boardwalk Hall

Boardwalk Hall

Atlantic City
,
NJ
Project Contacts:
Dominic Kelly, Joseph Zona

Constructed in 1929, Boardwalk Hall has hosted many legendary entertainment icons and events.  In 2002, following a major renovation, the venue installed an aluminum truss assembly to support...

Services:Structural Investigation
Markets:Sports & Entertainment
Keywords:Collapse, Failure Investigation, Metal-Aluminum, Sport/Entertainment, Theater/Performing Arts
Dallas Cowboys Training Facility

Dallas Cowboys Training Facility

Dallas
,
TX
Project Contacts:
Rasko Ojdrovic

On 2 May 2009, the Dallas Cowboys Training Facility collapsed during high winds.  The fabric-covered structure fell on approximately seventy people, trapping some under the rubble.  SGH, working...

Services:Structural Investigation
Markets:Sports & Entertainment
Keywords:Arena/Stadium, Canopy/Ceiling, Collapse, Failure Investigation
2000 Commonwealth Avenue

2000 Commonwealth Avenue

Boston
,
MA

On 25 January 1971, the sixteen-story apartment building at 2000 Commonwealth Avenue progressively collapsed during concrete placement for the mechanical penthouse floor slab above the main roof...

Services:Structural Investigation
Markets:Residential - Apartment
Keywords:Collapse, Concrete-Reinforced, Failure Investigation
Hyatt Regency Hotel Walkway Collapse

Hyatt Regency Hotel Walkway

Kansas City
,
MO

In July 1981, two suspended walkways spanning the dramatic atrium of the Hyatt Regency Hotel collapsed during a weekend Tea Dance.  As a result, 114 people died and hundreds more were injured....

Services:Structural Investigation
Markets:Hospitality
Keywords:Bridge, Pedestrian, Collapse, Expert Testimony, Failure Investigation, Metal-Steel
John Hancock Center, Scaffold Collapse

John Hancock Center, Scaffold Collapse

Chicago
,
IL
Project Contacts:
Alec Zimmer

On 9 March 2002, a 100 ft long, suspended scaffold platform fell from the 42nd floor of the John Hancock Center.  As the scaffold fell, it dropped debris in an arc from the northwest corner to the...

Services:Structural Investigation
Keywords:Collapse, Expert Testimony, Failure Investigation, Finite Element Analysis

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